EXIF library (libexif) API  0.6.21
exif-mem.h
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1 
5 /* exif-mem.h
6  *
7  * Copyright (c) 2003 Lutz Mueller <lutz@users.sourceforge.net>
8  *
9  * This library is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU Lesser General Public
11  * License as published by the Free Software Foundation; either
12  * version 2 of the License, or (at your option) any later version.
13  *
14  * This library is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17  * Lesser General Public License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with this library; if not, write to the
21  * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
22  * Boston, MA 02110-1301 USA.
23  */
24 
25 #ifndef __EXIF_MEM_H__
26 #define __EXIF_MEM_H__
27 
28 #include <libexif/exif-utils.h>
29 
30 #ifdef __cplusplus
31 extern "C" {
32 #endif /* __cplusplus */
33 
39 typedef void * (* ExifMemAllocFunc) (ExifLong s);
40 
47 typedef void * (* ExifMemReallocFunc) (void *p, ExifLong s);
48 
54 typedef void (* ExifMemFreeFunc) (void *p);
55 
57 typedef struct _ExifMem ExifMem;
58 
66  ExifMemFreeFunc f);
69 void exif_mem_ref (ExifMem *);
70 
74 void exif_mem_unref (ExifMem *);
75 
76 void *exif_mem_alloc (ExifMem *m, ExifLong s);
77 void *exif_mem_realloc (ExifMem *m, void *p, ExifLong s);
78 void exif_mem_free (ExifMem *m, void *p);
79 
85 
86 #ifdef __cplusplus
87 }
88 #endif /* __cplusplus */
89 
90 #endif /* __EXIF_MEM_H__ */
ExifMemReallocFunc
void *(* ExifMemReallocFunc)(void *p, ExifLong s)
Should work like realloc()
Definition: exif-mem.h:47
ExifMemAllocFunc
void *(* ExifMemAllocFunc)(ExifLong s)
Should work like calloc()
Definition: exif-mem.h:39
exif_mem_new_default
ExifMem * exif_mem_new_default(void)
Create a new ExifMem with default values for your convenience.
Definition: exif-mem.c:95
exif_mem_new
ExifMem * exif_mem_new(ExifMemAllocFunc a, ExifMemReallocFunc r, ExifMemFreeFunc f)
Create a new ExifMem.
Definition: exif-mem.c:34
exif-utils.h
EXIF data manipulation functions and types.
exif_mem_unref
void exif_mem_unref(ExifMem *)
Unrefcount an ExifMem.
Definition: exif-mem.c:61
ExifMemFreeFunc
void(* ExifMemFreeFunc)(void *p)
Free method for ExifMem.
Definition: exif-mem.h:54
ExifMem
struct _ExifMem ExifMem
ExifMem define a memory allocator.
Definition: exif-mem.h:57
exif-mem.h
Define the ExifMem data type and the associated functions. ExifMem defines the memory management func...
ExifLong
uint32_t ExifLong
EXIF Unsigned Long data type.
Definition: exif-utils.h:54
exif_mem_ref
void exif_mem_ref(ExifMem *)
Refcount an ExifMem.
Definition: exif-mem.c:54